Jr.Jr. American English 
the written abbreviation of junior, used after the name of a man who has the same name as his father: 
Alan Parks, Jr.
the written abbreviation of junior, used after the name of a man who has the same name as his father: Alan Parks, Jr.- accident and emergency
- accident prone
- acclaim
- acclaimed
- acclamation
- acclimatization
- acclimatize
- accolade
- accommodate
- accommodating
- accommodation
- accompaniment
- accompanist
- accompany
- accomplice
- accomplish
- accomplished
- accomplishment
- accord
- accordance
- accordingly
- according to
- accordion
- accordionist
- accost